70397216522 has 8 divisors (see below), whose sum is σ = 105812655456. Its totient is φ = 35126331372.

The previous prime is 70397216503. The next prime is 70397216551. The reversal of 70397216522 is 22561279307.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36137228 + ... + 36139175.

It is an arithmetic number, because the mean of its divisors is an integer number (13226581932).

Almost surely, 2^70397216522 is an apocalyptic number.

70397216522 is a deficient number, since it is larger than the sum of its proper divisors (35415438934).

70397216522 is a wasteful number, since it uses less digits than its factorization.

70397216522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72276892.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 70397216522 in words is "seventy billion, three hundred ninety-seven million, two hundred sixteen thousand, five hundred twenty-two".